Alright, let's work through 56138791 times 17991698 step by step
56138791 × 17991698 = 17991698 × (56138791)
+ 17991698 × 1 yielding 17991698
+ 17991698 × 90 giving us 1619252820
+ 17991698 × 700 resulting in 12594188600
+ 17991698 × 8000 which equals 143933584000
+ 17991698 × 30000 what gives us 539750940000
+ 17991698 × 100000 resulting in 1799169800000
+ 17991698 × 6000000 yielding 107950188000000
+ 17991698 × 50000000 giving us 899584900000000

= 1010032173757118
